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IDS Forum

RE: Re: RE: 11.5 UC7E crashes

Posted By: Marcus Haarmann
Date: Friday, 23 December 2011, at 10:39 a.m.

In Response To: Re: RE: 11.5 UC7E crashes (KLAUS GLAHN)

Hi Klaus,

I bet your problem is system limited shared memory parameters.
What is your content in /etc/sysctl.conf ?
My settings on a comparable system for these parameters is:
kernel.shmmax=4398046511104
kernel.shmmni=4096
kernel.shmall=8388608

vm.min_free_kbytes=128000
vm.swappiness=1

Then you should be able to allocate much more shared memory.
BTW: you can change the paramters in the file and activate using sysctl
-p

Happy Christmas,

Marcus

-----Original Message-----
From: KLAUS GLAHN [mailto:glahn@berlinale.de]
Sent: Friday, December 23, 2011 3:55 PM
To: ids@iiug.org
Subject: Re: RE: 11.5 UC7E crashes [25719]

Hello Joerg,

production and test systems are identical.

Linux-Version:
Linux tefix 2.6.26-2-686-bigmem #1 SMP Fri Aug 14 01:52:30 UTC 2009 i686
GNU/Linux Linux version 2.6.26-2-686-bigmem (Debian 2.6.26-17lenny2)
(dannf@debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian
4.1.2-25)) #1 SMP Fri Aug 14 0 1:52:30 UTC 2009

Memory:
top - 15:10:35 up 1 day, 2:31, 3 users, load average: 0.00, 0.01, 0.00
Tasks: 197 total, 2 running, 195 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.1%us, 0.1%sy, 0.0%ni, 99.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 16634528k total, 2123260k used, 14511268k free, 514016k buffers
Swap: 19526996k total, 0k used, 19526996k free, 1018000k cached

CPU:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Xeon(R) CPU E5420 @ 2.50GHz stepping : 10 cpu MHz
: 2500.020 cache size : 6144 KB physical id : 0 siblings : 4 core id : 0
cpu cores : 4 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no
f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level :
13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc
arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca
sse4_1 lahf_lm
bogomips : 5004.18
clflush size : 64
power management:

Now the onconfig ... I deleted all comments:

ROOTNAME rootdbs
ROOTOFFSET 0
MIRROR 0
#MIRRORPATH $INFORMIXDIR/tmp/demo_on.root_mirror
MIRROROFFSET 0 a

PHYSFILE 1000000 # 26.11.11 BG
PLOG_OVERFLOW_PATH /opt/informix/tmp
PHYSBUFF 1024 # 28.11.2011

LOGFILES 6
LOGSIZE 1000000 # 13.06.10 BG * 10
DYNAMIC_LOGS 2
LOGBUFF 3000 # 13.06.2010 BG erhht

LTXHWM 70
LTXEHWM 80

CONSOLE /opt/informix/tmp/online.con

TBLTBLFIRST 0
TBLTBLNEXT 0
TBLSPACE_STATS 1

DBSPACETEMP
SBSPACETEMP

SBSPACENAME
SYSSBSPACENAME
ONDBSPACEDOWN 2

NETTYPE ipcshm,1,100,CPU
NETTYPE onsoctcp,1,100,CPU # ergnzt

LISTEN_TIMEOUT 60
MAX_INCOMPLETE_CONNECTIONS 1024
FASTPOLL 1

MULTIPROCESSOR 1

VP_MEMORY_CACHE_KB 0
SINGLE_CPU_VP 0

CLEANERS 8
AUTO_AIOVPS 1
DIRECT_IO 0

LOCKS 200000
DEF_TABLE_LOCKMODE row

RESIDENT 0

SHMBASE 0x44000000L
SHMVIRTSIZE 32656
SHMADD 8192
EXTSHMADD 8192
SHMTOTAL 0
SHMVIRT_ALLOCSEG 0.000000
SHMNOACCESS

CKPTINTVL 300
AUTO_CKPTS 1
RTO_SERVER_RESTART 0
BLOCKTIMEOUT 3600

TXTIMEOUT 300
DEADLOCK_TIMEOUT 60
HETERO_COMMIT 0

TAPEBLK 32
TAPESIZE 0

LTAPEBLK 32
LTAPESIZE 0

BAR_DEBUG 0
BAR_MAX_BACKUP 0
BAR_RETRY 1
BAR_NB_XPORT_COUNT 20
BAR_XFER_BUF_SIZE 31
RESTARTABLE_RESTORE on
BAR_PROGRESS_FREQ 0
BAR_BSALIB_PATH
BACKUP_FILTER
RESTORE_FILTER
BAR_PERFORMANCE 0

ISM_DATA_POOL ISMData
ISM_LOG_POOL ISMLogs

DD_HASHSIZE 31
DD_HASHMAX 10

DS_HASHSIZE 31
DS_POOLSIZE 127

PC_HASHSIZE 31
PC_POOLSIZE 127

STMT_CACHE 0
STMT_CACHE_HITS 0
STMT_CACHE_SIZE 512
STMT_CACHE_NOLIMIT 0
STMT_CACHE_NUMPOOL 1

USEOSTIME 0
STACKSIZE 32
ALLOW_NEWLINE 0

USELASTCOMMITTED "COMMITTED READ"

FILLFACTOR 90
MAX_FILL_DATA_PAGES 0
ONLIDX_MAXMEM 5120

MAX_PDQPRIORITY 100
DS_MAX_QUERIES
DS_TOTAL_MEMORY
DS_MAX_SCANS 1048576
DS_NONPDQ_QUERY_MEM 128
DATASKIP off

OPTCOMPIND 2
DIRECTIVES 1
EXT_DIRECTIVES 0
OPT_GOAL -1
IFX_FOLDVIEW 0
AUTO_REPREPARE 1

RA_PAGES 64
RA_THRESHOLD 16

EXPLAIN_STAT 1

IFX_EXTEND_ROLE 1
SECURITY_LOCALCONNECTION 0
UNSECURE_ONSTAT 0
ADMIN_USER_MODE_WITH_DBSA 0
SSL_KEYSTORE_LABEL

PLCY_POOLSIZE 127
PLCY_HASHSIZE 31
USRC_POOLSIZE 127
USRC_HASHSIZE 31

STAGEBLOB
OPCACHEMAX 0

ON_RECVRY_THREADS 1
OFF_RECVRY_THREADS 10

DUMPSHMEM 0
DUMPGCORE 0
DUMPCORE 0
DUMPCNT 1

ALRM_ALL_EVENTS 0
STORAGE_FULL_ALARM 600,3

RAS_PLOG_SPEED 41666
RAS_LLOG_SPEED 3175

EILSEQ_COMPAT_MODE 0

QSTATS 0
WSTATS 0

JVPJAVALIB /bin
JVPJAVAVM jvm

AUTO_LRU_TUNING 1

ROOTPATH /dev/informix-root
MSGPATH /opt/informix/online.log
ROOTSIZE 46000000 # 46.000.000 = 46 GB

TAPEDEV /dev/null
LTAPEDEV /dev/null
DBSERVERNAME filmfest
DBSERVERALIASES
SERVERNUM 0
ALARMPROGRAM /opt/informix/etc/alarmprogram.sh DRLOSTFOUND
/opt/informix/etc/dr.lostfound BAR_ACT_LOG /opt/informix/bar_act.log
BAR_DEBUG_LOG /opt/informix/bar_dbug.log SYSALARMPROGRAM
/opt/informix/etc/evidence.sh DUMPDIR /opt/informix/tmp JVPJAVAHOME
/opt/informix/extend/krakatoa/jre JVPHOME /opt/informix/extend/krakatoa/
JVPPROPFILE /opt/informix/extend/krakatoa/.jvpprops
JVPLOGFILE /opt/informix/jvp.log
JVPCLASSPATH
/opt/informix/extend/krakatoa/krakatoa.jar:/opt/informix/extend/krakatoa
/jdbc.jar
VPCLASS cpu,num=1,noage

BUFFERPOOL
size=2K,buffers=800000,lrus=4,lru_min_dirty=50.000000,lru_max_dirty=60.0
00000

BTSCANNER num=1,threshold=5000,rangesize=-1,alice=6,compression=default
MIRRORPATH
ADMIN_MODE_USERS
CONVERSION_GUARD 2
RESTORE_POINT_DIR /opt/informix/tmp
BATCHEDREAD_TABLE 0

Merry Christmas :-)
Klaus

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